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大型运输类飞机试飞过程中,空速系统校准是一个非常重要的科目。分析了飞机空速系统静压测量的基本原理,给出了使用拖锥法测量空速的详细方案和系统组成,提出了使用该方法完成飞机空速系统校准时需要完成的各种实验室实验、校准方法、补偿方法、飞行试验、试验结果与误差分析、注意事项等。
During the test flight of a large transport aircraft, airspeed calibration is a very important subject. The basic principle of static pressure measurement of airspeed system is analyzed. The detailed scheme and system composition of airspeed measurement using the trailing cone method are given. Various laboratory experiments that need to be completed when using this method to complete calibration of airspeed system are proposed , Calibration methods, compensation methods, flight tests, test results and error analysis, precautions and so on.